87493783 has 8 divisors (see below), whose sum is σ = 97473600. Its totient is φ = 77978208.

The previous prime is 87493751. The next prime is 87493787. The reversal of 87493783 is 38739478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87493783 - 2⁵ = 87493751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87493787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115663 + ... + 116416.

It is an arithmetic number, because the mean of its divisors is an integer number (12184200).

Almost surely, 2^87493783 is an apocalyptic number.

87493783 is a deficient number, since it is larger than the sum of its proper divisors (9979817).

87493783 is a wasteful number, since it uses less digits than its factorization.

87493783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232121.

The product of its digits is 1016064, while the sum is 49.

The square root of 87493783 is about 9353.8111484036. The cubic root of 87493783 is about 443.9414861476.

The spelling of 87493783 in words is "eighty-seven million, four hundred ninety-three thousand, seven hundred eighty-three".